/*banner*/
.bbs_banner{
    width: 100%;
    min-width: 1200px;
    height: 420px;
    position: relative;
    overflow: hidden;
}
.bbs_ban_bg{
    width: 100%;
    position: absolute;
    left: 0;
    top: 0;
    height: 520px;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    transform: translateY(-100px);
}

.bbsBanCen{
    width: 1135px;
    margin: 0 auto;
    padding-left: 65px;
    position: relative;
    z-index: 1;
}
.bbsBanCen p{
    font-size: 18px;
    margin-left: 20px;
    color: #fff;
    letter-spacing: 2px;
}
.bbsBanCen strong{
    font-size: 40px;
    display: block;
    padding-top: 80px;
    padding-bottom: 15px;
    letter-spacing: 2px;
}
.bbsBtn{
    margin-left: 20px;
    display: block;
    width: 198px;
    height: 47px;
    line-height: 47px;
    text-align: center;
    font-size: 20px;
    color: #ea5413;
    border-radius: 5px;
    background: #fff;
    margin-top: 55px;
    letter-spacing: 5px;
    transition: all 0.3s;
    -moz-transition: all 0.3s;	/* Firefox 4 */
    -webkit-transition: all 0.3s;	/* Safari 和 Chrome */
    -o-transition: all 0.3s;	/* Opera */
    cursor: pointer;
}
.bbsBtn:hover{
    background: #ea5413;
    color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    transform: translateY(-3px);
}

/*banner*/
/* 合规降本增效 */
.bbsCostCen{
    width: 1200px;
    margin: 0 auto;
    padding-top: 30px;
    padding-bottom: 70px;
}
.bbsCostCenTitle{
    text-align: center;
    margin-top: 44px;
}
.bbsCostCenTitle p{
    font-size: 38px;
    color: #ea5413;
    font-weight: bold;
    position: relative;
    z-index: 1;
    letter-spacing: 10px;
    margin-bottom: 0;
}
.bbsCostCenTitle span{
    display: block;
    margin-top: -33px;
    color: #e5e5e5;
    font-size: 50px;
    font-weight: bold;
}
.bbsCostCenList{
    font-size: 16px;
    color: #333333;
    line-height: 30px;
    letter-spacing: 1px;
    margin-top: 10px;
    text-align: center;
    font-weight: 500;
}
/* 合规降本增效 */
/* title */
.bbsTitle{
    text-align: center;
}
.bbsTitle p{
    font-size: 36px;
    color: #333333;
    font-weight: bold;
    letter-spacing: 1px;
}
.bbsTitle_w p{
    color: #fff;
    font-size: 38px;
}
.bbsTitle span{
    display: block;
    font-size: 20px;
    color: #333333;
    letter-spacing: 4px;
    margin-top: 15px;
}
.bbsTitle_w span{
    color: #fff;
}
/* title */
/* 平台 */
.bbsPlat{
    width: 100%;
    min-width: 1200px;
    height: 650px;
    position: relative;
    overflow: hidden;
}
.bbsPlat_bg{
    width: 100%;
    position: absolute;
    left: 0;
    top: 0;
    height: 750px;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    transform: translateY(-100px);
}
.bbsPlatCen{
    position: relative;
    z-index: 1;
    padding-top: 100px;
}
.bbsPlatCen ul{
    width: 1200px;
    margin: 0 auto;
    display: flex;
    display: -webkit-flex;
    align-items: center;
    justify-content: space-between;
    -webkit-align-items: center;
    -webkit-justify-content: space-between;
    flex-wrap: wrap;
    padding-top: 40px;
}
.bbsPlatCen li{
    width: 400px;
    margin-left: 70px;
    margin-right: 100px;
    margin-bottom: 30px;
    transition: all 0.3s;
    -moz-transition: all 0.3s;
    -webkit-transition: all 0.3s;
    -o-transition: all 0.3s;
    padding: 10px;
    border-radius: 10px;
}
.bbsPlatCen li:hover{
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    transform: translateY(-3px);
}
.bbsPlatCen li p{
    font-size: 20px;
    color: #fff;
    font-weight: bold;
    letter-spacing: 1px;
    margin-bottom: 0;
}
.bbsPlatCen li span{
    font-size: 16px;
    color: #fff;
    display:block;
    padding-top: 5px;
}

/* 平台 */
/* 体系 */
.bbsSystem{
    width: 100%;
    min-width: 1200px;
    background: #f9f9f9;
    padding-top: 1px;
    padding-bottom: 90px;
}
.bbsSystemCen{
    width: 1200px;
    margin: 0 auto;
    margin-top: 70px;
}
.bbsSystemCenUl{
    background: url(../../images/bigbus/bbs1.png) no-repeat center center;
    width: 1020px;
    height: 580px;
    margin: 0 auto;
    margin-top: 70px;
    position: relative;
}
.bbsSystemCenUl li{
    position: absolute;
}
.bbsSystemCenUl li:nth-child(1){
    left: 0px;
    top: 5px;
}
.bbsSystemCenUl li:nth-child(2){
    left: 900px;
    top: 29px;
}
.bbsSystemCenUl li:nth-child(3){
    left: 0px;
    top: 160px;
}
.bbsSystemCenUl li:nth-child(4){
    left: 900px;
    top: 169px;
}
.bbsSystemCenUl li:nth-child(5){
    left: 0px;
    top: 320px;
    width: 120px;
}
.bbsSystemCenUl li:nth-child(6){
    left: 900px;
    top: 333px;
    width: 180px;
}
.bbsSystemCenUl li:nth-child(7){
    left: 0px;
    top: 494px;
}
.bbsSystemCenUl li:nth-child(8){
    left: 900px;
    top: 333px;
    top: 488px;
    width: 180px;
}
.bbsSystemCenUlTitle{
    font-size: 20px;
    font-weight: bold;
    color: #ea5413;
    letter-spacing:  2px;
}
.bbsSystemCenUlList{
    display: flex;
    display: -webkit-flex;
    align-items: flex-start;
    justify-content: flex-start;
    -webkit-align-items: flex-start;
    -webkit-justify-content: flex-start;
    flex-wrap: wrap;
    margin-top: 5px;
}
.bbsSystemCenUlList span{
    font-size: 14px;
    color: #666666;
    line-height: 23px;
    letter-spacing: 1px;
    display: block;
    margin-right: 25px;
}
.bbsSystemList{
    width: 1200px;
    background: #fff;
    border-radius: 10px;
    padding: 40px 0;
    padding-left: 280px;
    margin-top: 60px;
}
.bbsSystemList p{
    font-size: 16px;
    color: #4c4c4c;
    line-height: 35px;
    position: relative;
    padding-left: 38px;
}
.bbsSystemList p:nth-child(1){
    line-height: 25px;
}
.bbsSystemList p::before{
    position: absolute;
    top: 10px;
    left: 0px;
    content: '';
    border: 8px solid #ea5413;
    border-bottom-color: transparent;    /* 设置透明背景色 */
    border-top-color: transparent;
    border-right-color: transparent;


}
/* 体系 */
/* 需求 */
.bbsDemand{
    width: 100%;
    min-width: 1200px;
    height: 470px;
    position: relative;
    overflow: hidden;
}
.bbsDemand_bg{
    width: 100%;
    position: absolute;
    left: 0;
    top: 0;
    height: 570px;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    transform: translateY(-100px);
}
.bbsDemandCen{
    width: 1200px;
    margin: 0 auto;
    padding-top: 70px;
    position: relative;
    z-index: 1;
}
.bbsDemandCen ul{
    display: flex;
    display: -webkit-flex;
    align-items: center;
    justify-content: space-between;
    -webkit-align-items: center;
    -webkit-justify-content: space-between;
    margin-top: 60px;
}
.bbsDemandCen li{
    width: 280px;
    padding: 10px;
    transition: all 0.3s;
    -moz-transition: all 0.3s;
    -webkit-transition: all 0.3s;
    -o-transition: all 0.3s;
    border-radius: 10px;
}
.bbsDemandCen li:hover{
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    transform: translateY(-3px);
}
.bbsDemandCen li p{
    display: flex;
    display: -webkit-flex;
    align-items: center;
    justify-content:center;
    -webkit-align-items: center;
    -webkit-justify-content:center;
    width: 105px;
    height: 105px;
    margin: 0 auto;
}
.bbsDemandCen li p i{
    font-size: 50px;
}
.bbsDemandCen li span{
    text-align: center;
    display: block;
    margin-top: 27px;
    letter-spacing: 1px;
    font-size: 16px;
    color: #666666;
    line-height: 27px;
    font-weight: 500;
}

/* 需求 */
/* 步骤 */
.bbsStpetCen{
    width: 1200px;
    margin: 0 auto;
    margin-top: 70px;
    padding-bottom: 70px;
}
.bbsStpetCen img{
    margin-top: 50px;
}
/* 联系我们 */
.guContent{
    width: 100%;
    min-width: 1200px;
    height: 460px;
    position: relative;
    overflow: hidden;
}
.guContent_bg{
    width: 100%;
    position: absolute;
    left: 0;
    top: 0;
    height: 660px;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    transform: translateY(-100px);
}
.guContentCen{
    width: 1200px;
    margin: 0 auto;
    padding-top: 100px;
    position: relative;
    z-index: 1;
}
.guConTitle{
    font-size: 40px;
    color: #fff;
    text-align: center;
    font-weight: bold;
    margin-bottom: 60px;
    position: relative;
    z-index: 1;
}
.guConTitle p{
    font-size: 20px;
    font-weight: normal;
    margin-top: 15px;
    display: block;
    color: #fff;
}
.guConBtn{
    width: 174px;
    height: 42px;
    text-align: center;
    line-height: 42px;
    font-size: 16px;
    color: #0d0d0d;
    border-radius: 5px;
    background: #fff;
    margin: 0 auto;
    margin-top: 20px;
    transition: all 0.3s;
    -moz-transition: all 0.3s;	/* Firefox 4 */
    -webkit-transition: all 0.3s;	/* Safari 和 Chrome */
    -o-transition: all 0.3s;	/* Opera */
    transform: translateY(0);
    cursor: pointer;
}
.guConBtn:hover{
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    background: #ea5413;
    color: #fff;
    transform: translateY(-3px) ;
}
/* 联系我们 */